Home / 21,554,579.20-32,331,868.80-15,476,468.80

Finding the Fourth Proportional to 21,554,579.20, 32,331,868.80 and 15,476,468.80

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Solution

The fourth proportional to 21,554,579.20, 32,331,868.80 and 15,476,468.80 is: 23,214,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,579.20 : 32,331,868.80 = 15,476,468.80 : x
  2. Step 2: Convert to fraction form
    21,554,579.20/32,331,868.80 = 15,476,468.80/x
  3. Step 3: Cross multiply
    21,554,579.20x = 32,331,868.80 × 15,476,468.80
  4. Step 4: Simplify right side
    21,554,579.20x = 500,383,158,728,893.50
  5. Step 5: Solve for x
    x = 500,383,158,728,893.50/21,554,579.20
  6. Step 6: Final answer
    x = 23,214,703.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.